To install Repo:
1.Make sure you have a bin/ directory in your home directory and that it is included in your path:
$ mkdir ~/bin
$ PATH=~/bin:$PATH
2.Download the Repo tool and ensure that it is executable:
$ curl https://storage.googleapis.com/git-repo-downloads/repo > ~/bin/repo
$ chmod a+x ~/bin/repo
For version 1.17, the SHA-1 checksum for repo is ddd79b6d5a7807e911b524cb223bc3544b661c28 For version 1.19, the SHA-1 checksum for repo is 92cbad8c880f697b58ed83e348d06619f8098e6c For version 1.20, the SHA-1 checksum for repo is e197cb48ff4ddda4d11f23940d316e323b29671c For version 1.21, the SHA-1 checksum for repo is b8bd1804f432ecf1bab730949c82b93b0fc5fede For version 1.22, the SHA-1 checksum for repo is da0514e484f74648a890c0467d61ca415379f791
After installing Repo, set up your client to access the Android source repository:
1.Create an empty directory to hold your working files. If you're using MacOS, this has to be on a case-sensitive filesystem. Give it any name you like:
$ mkdir WORKING_DIRECTORY
$ cd WORKING_DIRECTORY
2.Configure git with your real name and email address. To use the Gerrit code-review tool, you will need an email address that is connected with a registered Google account. Make sure this is a live address at which you can receive messages. The name that you provide here will show up in attributions for your code submissions.
$ git config --global user.name "Your Name"
$ git config --global user.email "you@example.com"
3.Run repo init to bring down the latest version of Repo with all its most recent bug fixes. You must specify a URL for the manifest, which specifies where the various repositories included in the Android source will be placed within your working directory.
$ repo init -u https://github.com/kallop/android -b cm-13.0
A successful initialization will end with a message stating that Repo is initialized in your working directory. Your client directory should now contain a .repo directory where files such as the manifest will be kept.
To pull down the Android source tree to your working directory from the repositories as specified in the default manifest, run
$ repo sync
For Ubuntu >= 15.04 Run the following: {
For Android open source code version >= 6.0.0 Run the following:
$ sudo apt-get update
$ sudo apt-get install openjdk-7-jdk
For Android open source code version <= 5.0.0 Run the following:
$ sudo apt-get update
$ sudo apt-get install openjdk-6-jdk
}
You will need a 64-bit version of Ubuntu. Ubuntu 15.04 is recommended.
If （ open source code is based on CyanogenMod ） {
$ sudo apt-get install git-core gnupg flex bison gperf build-essential \
zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 \
lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache \
libgl1-mesa-dev libxml2-utils xsltproc unzip maven
} else {
$ sudo apt-get install git-core gnupg flex bison gperf build-essential \
zip curl zlib1g-dev gcc-multilib g++-multilib libc6-dev-i386 \
lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache \
libgl1-mesa-dev libxml2-utils xsltproc unzip
}
You can optionally tell the build to use the ccache compilation tool. Ccache acts as a compiler cache that can be used to speed up rebuilds. This works very well if you use ‘make clean’ often, or if you frequently switch between different build products.
Put the following in your .bashrc (or equivalent):
export USE_CCACHE=1
By default the cache will be stored in ~/.ccache. If your home directory is on NFS or some other non-local filesystem, you will want to specify the directory in your .bashrc file as well:
export CCACHE_DIR=<path-to-your-cache-directory>
The suggested cache size is 50-100GB. You will need to run the following command once you have downloaded the source code:
$ prebuilts/misc/linux-x86/ccache/ccache -M 50G
On Mac OS, you should replace linux-x86 with darwin-x86:
$ prebuilts/misc/darwin-x86/ccache/ccache -M 50G
When building Ice Cream Sandwich (4.0.x) or older, ccache is in a different location:
$ prebuilt/linux-x86/ccache/ccache -M 50G
This setting is stored in the CCACHE_DIR and is persistent.